The influence of dietary β‐1,3‐glucan on growth performance, feed utilization, antioxidative and immune status of Pacific white shrimp,
            <i>Litopenaeus vannamei</i>

Xu, Bingying; Zhang, Gangwei; Wang, Lei; Sagada, Gladstone; Zhang, Jinzhi; Shao, Qingjun

doi:10.1111/anu.13299

Cited by 15 publications

(6 citation statements)

References 73 publications

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“…Indeed, the present results suggested that the expression of intestinal LGBP was significantly increased in shrimp fed β-1,3-glucan diet, together with an enhancement in immunity parameters in intestinal tissue and serum. Additionally, β-1,3-glucan supplementation enhanced the antioxidant capacity of shrimp, and similar results were also observed in white shrimp fed β-1,3-glucan ( 7 ). HSP70 serves as an important oxidative stress biomarker ( 49 ), and higher expression of HSP70 in the intestinal tissue shrimp fed β-1,3-glucan confirmed the antioxidant property of β-glucan again.…”

Section: Discussionsupporting

confidence: 71%

“…The bglucan has been widely applied to the aquaculture industry due to its positive impact on the health of aquatic animals (5,6). Numerous studies in b-1,3-glucan have confirmed its property of antiinflammatory, immune-enhancing, and anti-oxidation in aquatic animals such as white shrimp (7)(8)(9), marine swimming crab (Portunus trituberculatus), hybrid striped bass (Morone chrysops × M. saxatilis) (10), and large yellow croaker (Pseudosciaena crocea) (11). Evidence from human hepatocytes suggested that b-1,3-glucan could attenuate inflammation and accumulation of reactive oxygen species (ROS) induced by lipopolysaccharide (12).…”

Section: Introductionmentioning

confidence: 99%

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Dietary supplementation of β-1, 3-glucan improves the intestinal health of white shrimp (Litopenaeus vannamei) by modulating intestinal microbiota and inhibiting inflammatory response

et al. 2023

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The phenomenon of intestinal dysfunction is widely observed in white shrimp (Litopenaeus vannamei) culture, and β-1,3-glucan has been confirmed to be beneficial in intestinal health with a lack understanding of its underlying mechanism. Proteobacteria, Firmicutes, and Actinobacteria served as the predominant phyla inhabiting the intestine of white shrimp, whilst a significant variation in their proportion was recorded in shrimp fed with basal and β-1,3-glucan supplementation diets in this study. Dietary supplementation of β-1,3-glucan could dramatically increase the microbial diversity and affect microbial composition, concurrent with a notable reduction in the ratio of opportunistic pathogen Aeromonas, gram-negative microbes, from Gammaproteobacteria compared to the basal diet group. The benefits for microbial diversity and composition by β-1,3-glucan improved the homeostasis of intestinal microbiota through the increase of specialists’ number and inhibition of microbial competition caused by Aeromonas in ecological networks; afterward, the inhibition of Aeromonas by β-1,3-glucan diet dramatically suppressed microbial metabolism related to lipopolysaccharide biosynthesis, followed by a conspicuous decrease in the intestinal inflammatory response. The improvement of intestinal health referred to the elevation in intestinal immune and antioxidant capacity, ultimately contributing to the growth of shrimp fed β-1,3-glucan. These results suggested that β-1,3-glucan supplementation improved the intestinal health of white shrimp through the modulation of intestinal microbiota homeostasis, the suppression of intestinal inflammatory response, and the elevation of immune and antioxidant capacity, and subsequently promoted the growth of white shrimp.

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Section: Discussionsupporting

confidence: 71%

Section: Introductionmentioning

confidence: 99%

Dietary supplementation of β-1, 3-glucan improves the intestinal health of white shrimp (Litopenaeus vannamei) by modulating intestinal microbiota and inhibiting inflammatory response

et al. 2023

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“…However, this was except for ash content in the β-glucan treatment group, with lower levels being measured. In comparison to past studies, white leg shrimp (Litopenaeus vannamei), after being fed with β-glucan had no changes in moisture, crude protein, and lipid contents, but body ash levels had increased (Xu et al, 2021). The addition of dietary zinc in various forms, such as inorganic zinc oxide, organic zinc methionine, or zinc nanoparticles zinc-acetate, did not impact body composition in any of the previous studies on Nile tilapia (Oreochromis niloticus, Baker et al, 2016), coho salmon (Oncorhynchus kisutch, Yu et al, 2021), rabbitfish (Siganus rivulatus, Sallam et al, 2020), or striped catfish (P. hypophthalmus, Kumar, Krishnani, et al, 2017;Singh et al, 2017).…”

Section: Body Compositioncontrasting

confidence: 80%

Mitigating the impact of winter temperatures on striped catfish (Pangasianodon hypophthalmus) using functional feed additives

Bano,

Khan,

Fatima

et al. 2023

J World Aquaculture Soc

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The drop in temperature during the winter months can lead to a decrease in growth, induce metabolic stress, and increase mortality incidences. The present study evaluated the potential of functional feed additives in mitigating the negative impacts of winter‐rearing conditions in striped catfish (Pangasianodon hypophthalmus). Four test diets were evaluated over a twelve‐week feed trial: (1) zinc‐acetate (Zn‐acetate), (2) selenomethionine (Se‐Met), (3) β‐glucan, and (4) control with no added feed additive. The survival rate in the β‐glucan (95.00%) and Zn‐acetate (93.30%) dietary groups was higher than the control (78.30%) and Se‐Met (85.00%). Fish fed with the β‐glucan had the highest weight gain (20.75% increase), specific growth rate (13.75% increase), and lower feed conversion ratio (9.64 % decrease). However, feed additives did not influence the fatty acid profiles or whole‐body proximate composition. Although, Zn‐acetate and Se‐Met had higher body ash content. Serum cortisol and glucose levels were lower in β‐glucan and Zn‐acetate than in other treatment groups. All feed additives resulted in higher superoxide dismutase, glutathione peroxidase, and catalase activity in the liver and muscle. This study found that β‐glucan and zinc‐acetate can improve cold stress resistance and offer a sustainable strategy for catfish rearing over winter.

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“…In addition to the growth performance indicators, other indicators, such as digestive enzyme activity, total antioxidant capacity, malondialdehyde content, AKP, ACP activity and so on, all showed the same phenomenon. A previous study found that the addition of 0.064% β-glucan improved the weight gain of L. vannamei [ 42 ]. Moreover, 0.02% dietary β-glucan showed higher levels of immune gene expression in L. vannamei [ 13 ].…”

Section: Discussionmentioning

confidence: 99%

Effects of Different Dietary β-Glucan Levels on Antioxidant Capacity and Immunity, Gut Microbiota and Transcriptome Responses of White Shrimp (Litopenaeus vannamei) under Low Salinity

Qiao

Zhou

et al. 2022

Antioxidants

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β-Glucan could significantly improve the antioxidant capacity of aquatic animals. The effects of different dietary levels (0 (control), 0.05, 0.1, 0.2 or 0.4%) of β-glucan on the growth, survival, antioxidant capacity, immunity, intestinal microbiota and transcriptional responses of Litopenaeus vannamei under low salinity (≤3) were investigated. The dietary growth trial lasted 35 days (initial shrimp 0.26 ± 0.01 g). The results indicated that the growth performance of the 0.1% and 0.2% groups was significantly better than that of the control group. A second-order polynomial regression analysis of growth performance against dietary β-glucan indicated that the optimal dietary β-glucan level was 0.2% of dry matter. The digestive enzyme activity of the hepatopancreas was enhanced with increasing β-glucan levels. The antioxidant and nonspecific immunity capacities of the hepatopancreas were also enhanced in the 0.1% group. The α-diversity index analysis of the intestinal microbiota showed that the intestinal microbial richness of L. vannamei increased in the 0.1% group. The relative abundance of Proteobacteria decreased in the 0.1% group compared with the control group. The transcriptome results indicate that the prebiotic mechanisms of β-glucan include upregulating the expression of nonspecific immune genes and osmoregulation genes and activating KEGG pathways associated with carbohydrate metabolism under low-salinity stress. These results suggested that dietary supplementation with β-glucan markedly increased growth performance and alleviated the negative effects of low-salinity stress by contributing to the activity of biochemical enzymes and enriching carbohydrate metabolism in L. vannamei.

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The influence of dietary β‐1,3‐glucan on growth performance, feed utilization, antioxidative and immune status of Pacific white shrimp, Litopenaeus vannamei

Cited by 15 publications

References 73 publications

Dietary supplementation of β-1, 3-glucan improves the intestinal health of white shrimp (Litopenaeus vannamei) by modulating intestinal microbiota and inhibiting inflammatory response

Dietary supplementation of β-1, 3-glucan improves the intestinal health of white shrimp (Litopenaeus vannamei) by modulating intestinal microbiota and inhibiting inflammatory response

Mitigating the impact of winter temperatures on striped catfish (Pangasianodon hypophthalmus) using functional feed additives

Effects of Different Dietary β-Glucan Levels on Antioxidant Capacity and Immunity, Gut Microbiota and Transcriptome Responses of White Shrimp (Litopenaeus vannamei) under Low Salinity

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